Honeywell CM900 INSTALLATION

DRAWING DETAILS

PART NUMBER

42010942-003

CM900 INSTALLATION GUIDE (UK - English)

ISS

R1

ECRO AND DATE

DR001129 10/05

DRAWN

MKTINGARTWORK DESCRIPTION

MF BM

SIZE AND FOLDING

A3 A4 A5 A6 A7 OTHER

SIZE WHEN PRINTED X

SIZE WHEN FOLDED X

MATERIAL

BOND X

SILK

WEIGHT 70g 80g 100g 115g 150g OTHER

X

DATE

10/05

PRINTING

ONE COLOUR TWO COLOUR THREE COLOUR FULL COLOUR

SINGLE SIDE

DOUBLE SIDE X

X BLACK

SEE FOLLOWING PAGES FOR COLOUR DESIGNATION. ALL PRINTING MUST BE
CLEAR, FREE OF SMUDGES AND MULTI COLOUR PRINT PROPERLY REGISTERED

SPECIAL INSTRUCTIONS

Folding Sequence Finished Size

2nd

1st Fold

2nd

Part Number

3rd

105mm

148mm

Part Number

Front

DO NOT INCLUDE THIS PAGE IN THE PRINTING

Installer Parameters Table:

Parameter Parameter No.

Category 1 Parameters - Programmable Thermostat Settings

AM-PM / 24hr Display

Reset Time/ Temp Program

Auto Summer/Winter Time
Change

LCD Backlighting

Upper Temp Limit

Lower Temp Limit

Optimisation

Telephone Override

Second Sensor

Temperature Offset

Proportional Band Width

Reset Parameters to Factory
Defaults

Category 2 Parameters - System Settings (press PROGRAM

Minimum boiler ON time

Cycle Rate

Electric Heat

Heat/Cool Change

Pump Exercise

1:CL

2:rP

3:tC

5:bL

6:uL

7:LL

8:OP

9:tS

10:SS

12:tO

13:Pb

19:FS

1:Ot

2:Cr

3:EH

4:HC

5:PE

Factory Default Setting

Display

12

1

1

1

35

5

0

0

0

0.0

1.5

1

Display

1

6

0

0

0

Description

12 hr – AM/PM clock display format

Time / Temperature prole set to factory
default.

Changes to 0 when one of the time/temp
proles are changed.

Auto Summer/Winter Time Change
Enabled

Backlighting Enabled

35°C Upper Temp. Limit

5°C Lower Temp. Limit

Optimisation Disabled

Telephone Override Disabled

Second Sensor Disabled

No temperature offset

Proportional band of 1.5 degree

All settings at factory defaults

Changes to 0 when one of the parameter
is changed

to access this category)

Description

1 minute minimum ON time

6 cycles per hour (cph)

Resistive Loads <3 A

Disabled

Pump exercise disabled

Optional Setting

Display

21 to 34

5 to 21

1 or 2

-3 to +3

1.6 to 3.0

Display

2 to 5

3, 9 or 12

Description

24

24 hr clock display format

0

Factory Time / Temperature prole has
been modied

To restore the factory prole set to 1

0

Auto Summer/Winter Time Change
Disabled

0

Backlighting Disabled

21°C to 34°C adjustment in 1°C steps

5°C to 21°C adjustment in 1°C steps

1

Optimisation Enabled

1

Telephone Override Enabled

Second Sensor Enabled:
1 = Outside Sensor
2 = Remote Room Sensor

-3°C to +3°C adjustment in 0.1°C steps

1.6°C to 3.0°C adjustment in 0.1°C steps

0

Settings are as modied above

To restore the factory parameters set to 1

Description

Selection of 2, 3, 4 or 5 minutes minimum
ON time

Selection of 3, 9 or 12 cph

1

Resistive loads 3 to 8 A

1

Enabled

1

Pump exercise enabled

CM900 Installation Guide

Programmable Room Thermostat

The Honeywell CM900 (CM907 or CM901) is a modern programmable room
thermostat based on Honeywell’s proven programming philosophy. To further
improve the ease of use, this product includes a very large LCD display with
backlighting and a Dynamic Text Display to assist customers during daily use.

Installing the Thermostat

1 2 3

Typical wiring connections

4 5

24-230V

50-60Hz

24-230V

50-60Hz

Remove from packaging Mount the backplate to wallFind a suitable location for mounting

24-230V

50-60Hz

= M3.5

o

6

= N

Connect the wiring correctly

1.0-2.5mm²

6mm max.

42010942-003 R1

Notes:

Remember to always press the green

button to conrm that you want to store your new Installer Set-Up setting. To exit the Installer Mode move

the slider switch to the AUTO or MAN positions.

System Commissioning

To enter the diagnostic mode move the slider switch to the OFF position then press and hold the

settings mode. Next press and hold the

be viewed on the display by pressing the

Honeywell Control Systems Ltd.

Arlington Business Park,

Bracknell

Berkshire

RG12 1EB

Technical Help Desk: 08457 678999

www.honeywelluk.com

and

buttons together. The unit will hold the relay on for 5 minutes and the following information can

or

buttons. : model ID, date code (WW/YY) and checksum.

42010942-003 R1
© 2005 Honeywell International Inc.

button for 5 sec. The unit will enter the user

Combi

Boiler

Basic
Boiler

d. e.

230V

50-60Hz

Zone
Valve

230V

50-60Hz

Thermal

Actuator

Install the batteries (included) Attach the instruction label to ap

7 8

24-230V

50-60Hz

230V

50-60Hz

Zone

Valve

Cooling
System

24-230V

50-60Hz

Pump

Only

Electric

Actuator

Attach the cover to backplate

6

1

2

3

4 1

“Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorised Representative Honeywell International Inc.”